Replacing the internal USB key................................................................................................... 118
System battery................................................................................................................................... 119
Replacing the system battery......................................................................................................119
Power supply units.............................................................................................................................121
Hot Spare feature........................................................................................................................ 122
Removing the power supply unit blank......................................................................................122
Installing the power supply unit blank........................................................................................123
Removing an AC power supply unit........................................................................................... 123
Installing an AC power supply unit............................................................................................. 124
Wiring instructions for a DC power supply unit.........................................................................125
Removing a DC power supply unit.............................................................................................128
Installing a DC power supply unit...............................................................................................129
System board.....................................................................................................................................129
Removing the system board.......................................................................................................129
Installing the system board..........................................................................................................131
Trusted Platform Module.................................................................................................................. 133
Installing the Trusted Platform Module ..................................................................................... 133
Re-enabling the TPM for BitLocker users.................................................................................. 134
Re-enabling the TPM for TXT users............................................................................................134
Hard drives.........................................................................................................................................135
Removing a 2.5 inch hard-drive blank........................................................................................135
Installing a 2.5 inch hard-drive blank......................................................................................... 136
Removing a 2.5 inch hard-drive blank (back).............................................................................136
Installing a 2.5 inch hard-drive blank (back)...............................................................................137
Removing a 1.8 inch hard-drive blank........................................................................................137
Installing a 1.8 inch hard-drive blank..........................................................................................138
Removing a 3.5 inch hard-drive blank....................................................................................... 138
Installing a 3.5 inch hard-drive blank..........................................................................................139
Removing a 1.8 inch hard drive from a hard-drive carrier.........................................................139
Installing a 1.8 inch hard drive into a hard-drive carrier............................................................140
Removing a hot-swap hard drive............................................................................................... 140
Installing a hot-swap hard drive................................................................................................. 142
Removing a hard drive from a hard-drive carrier...................................................................... 143
Installing a hard drive into a hard-drive carrier..........................................................................144
Hard-drive backplane....................................................................................................................... 144
Removing the hard-drive backplane (R730).............................................................................. 145
Removing the hard-drive backplane (R730xd)...........................................................................152
Installing the hard-drive backplane (R730 and R730xd)............................................................163
Removing the optional hard-drive backplane (back)................................................................ 163
Installing the optional hard-drive backplane (back).................................................................. 164
Tape backup unit (optional)..............................................................................................................165
Removing the tape backup unit .................................................................................................165